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Electricity-gas joint market distributed clearing method based on alternating direction multiplier method

A technology of alternating direction multiplier and market clearing, which is applied in the field of distributed clearing of electric-pneumatic joint market based on alternating direction multiplier method, which can solve the problems of slow convergence speed and so on.

Active Publication Date: 2020-03-06
XI AN JIAOTONG UNIV
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  • Description
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Problems solved by technology

At the same time, the alternating direction multiplier method often has the disadvantage of slow convergence in practical applications

Method used

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  • Electricity-gas joint market distributed clearing method based on alternating direction multiplier method
  • Electricity-gas joint market distributed clearing method based on alternating direction multiplier method
  • Electricity-gas joint market distributed clearing method based on alternating direction multiplier method

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Embodiment Construction

[0066] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments described here are only used to explain the present invention, and are not intended to limit the protection scope of the present invention.

[0067] see figure 1 , the electric-gas joint market distributed clearing method based on the alternating direction multiplier method provided by the present invention comprises the following steps:

[0068] Step 1: Obtain the system data and quotation information required for distributed clearing in the electricity-gas joint market.

[0069] by figure 2 Taking the electricity-gas interconnection system shown as an example, the simulation analysis of the distributed clearing of the electricity-gas joint market is carried out. The electricity-gas interconnection system consists of an IEEE 118-node power system and a 40-node natural gas system, including 42 coa...

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Abstract

The invention discloses an electricity-gas combined market distributed clearing method based on an alternating direction multiplier method, and the method comprises the steps: building an electricity-gas combined market centralized clearing model through taking the minimum total cost of all-day electric energy and natural gas as a target; based on an alternating direction multiplier method, dual variables are introduced to equivalently decompose the centralized clearing model into a natural gas market clearing sub-model and a power market clearing sub-model; and alternately solving the naturalgas market clearing sub-model and the power market clearing sub-model and updating the dual variables until a convergence criterion of the alternating direction multiplier method is met, thereby obtaining a distributed day-ahead clearing result of the electricity-gas joint market. The actual situation that the power system and the natural gas system operate independently is considered, the distributed efficient clearing method is provided, and comprehensive utilization and efficient configuration of power and natural gas are promoted.

Description

technical field [0001] The invention relates to a distributed clearing method for an electricity-gas joint market, in particular to a distributed clearing method for an electricity-gas joint market based on an alternating direction multiplier method. Background technique [0002] In order to further improve the energy structure and promote low-carbon and green development, it is necessary to accelerate the cleanliness of the power supply structure and increase the proportion of natural gas utilization. barrier. With the rapid development of gas-fired units, the coupling of power system and natural gas system is getting closer and closer. How to realize the comprehensive utilization and efficient allocation of electricity and natural gas has become a major research hotspot. In the electricity-gas interconnection system, gas-fired units obtain natural gas from the natural gas market, produce electricity and then export it to the electricity market, thus making the two differe...

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Application Information

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IPC IPC(8): G06Q30/02G06Q10/06G06Q50/06
CPCG06Q30/0201G06Q30/0206G06Q10/06312G06Q50/06Y04S50/14
Inventor 别朝红刘凡寇宇王旭贺元康陈天恩
Owner XI AN JIAOTONG UNIV
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